1e78f53d1SNikolas Klauser // -*- C++ -*- 2e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 3e78f53d1SNikolas Klauser // 4e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 6e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7e78f53d1SNikolas Klauser // 8e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 9e78f53d1SNikolas Klauser 10*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___NUMERIC_ACCUMULATE_H 11*ce777190SNikolas Klauser #define _LIBCPP___CXX03___NUMERIC_ACCUMULATE_H 12e78f53d1SNikolas Klauser 1373fbae83SNikolas Klauser #include <__cxx03/__config> 1473fbae83SNikolas Klauser #include <__cxx03/__utility/move.h> 15e78f53d1SNikolas Klauser 16e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17e78f53d1SNikolas Klauser # pragma GCC system_header 18e78f53d1SNikolas Klauser #endif 19e78f53d1SNikolas Klauser 20e78f53d1SNikolas Klauser _LIBCPP_PUSH_MACROS 2173fbae83SNikolas Klauser #include <__cxx03/__undef_macros> 22e78f53d1SNikolas Klauser 23e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 24e78f53d1SNikolas Klauser 25e78f53d1SNikolas Klauser template <class _InputIterator, class _Tp> 26e78f53d1SNikolas Klauser _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp 27e78f53d1SNikolas Klauser accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) { 28e78f53d1SNikolas Klauser for (; __first != __last; ++__first) 29e78f53d1SNikolas Klauser #if _LIBCPP_STD_VER >= 20 30e78f53d1SNikolas Klauser __init = std::move(__init) + *__first; 31e78f53d1SNikolas Klauser #else 32e78f53d1SNikolas Klauser __init = __init + *__first; 33e78f53d1SNikolas Klauser #endif 34e78f53d1SNikolas Klauser return __init; 35e78f53d1SNikolas Klauser } 36e78f53d1SNikolas Klauser 37e78f53d1SNikolas Klauser template <class _InputIterator, class _Tp, class _BinaryOperation> 38e78f53d1SNikolas Klauser _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp 39e78f53d1SNikolas Klauser accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) { 40e78f53d1SNikolas Klauser for (; __first != __last; ++__first) 41e78f53d1SNikolas Klauser #if _LIBCPP_STD_VER >= 20 42e78f53d1SNikolas Klauser __init = __binary_op(std::move(__init), *__first); 43e78f53d1SNikolas Klauser #else 44e78f53d1SNikolas Klauser __init = __binary_op(__init, *__first); 45e78f53d1SNikolas Klauser #endif 46e78f53d1SNikolas Klauser return __init; 47e78f53d1SNikolas Klauser } 48e78f53d1SNikolas Klauser 49e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 50e78f53d1SNikolas Klauser 51e78f53d1SNikolas Klauser _LIBCPP_POP_MACROS 52e78f53d1SNikolas Klauser 53*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___NUMERIC_ACCUMULATE_H 54